<!--  -->
<template>
  <div>
    <div>hello vue</div>
    <div class="title">
      {{ title }}
    </div>
  </div>
</template>

<script setup>
import { ref, onMounted } from 'vue';
const title = ref('hello world');
onMounted(() => {
  console.log('21321');
});
</script>
<style scoped lang="less">
.title {
  color: red;
  font-size: 22px;
}
</style>
